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fzus63 kmqt 010852
glfls 
expires:202212011700;;109138

open lake forecast for lake superior
national weather service marquette mi
352 am est thu dec 1 2022

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...in the wake of a 29.0 inch james bay low, a 30.3 inch
high pressure ridge extending from manitoba to arkansas will 
quickly cross lake superior today. tonight, a 30.5 inch high 
pressure will be over the mid-atlantic states while a 29.5 inch 
low emerges over the western plains. this low will track 
northeast, passing just north of lake superior friday night, then 
deepening to 29.1 inches as it moves to near james bay by saturday
morning. in its wake, a 30.5 inch high building across the 
central and southern plains on saturday will reach the ohio valley
on saturday night. as the high reaches the virginias sunday 
morning, a 29.6 inch low will track east to northern ontario. 
expect the low to lift to hudson bay on monday. 


lsz162-011700-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
352 am est thu dec 1 2022 /252 am cst thu dec 1 2022/

...storm watch in effect from friday evening through saturday
afternoon...

.early this morning...west winds 10 to 20 knots. waves 2 to
4 feet. 
.today...west winds 5 to 15 knots becoming south 10 to 20 knots
by late morning, then increasing to 15 to 25 knots by mid
afternoon. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.tonight...south winds 20 to 30 knots becoming southwest 15 to
25 knots late. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...south winds 15 to 25 knots veering southwest. a slight
chance of snow showers in the morning. a chance of rain showers.
snow showers likely in the afternoon. waves subsiding to 2 to
4 feet. 
.friday night...west gales to 35 knots becoming northwest gales
to 45 knots after midnight. snow showers, possibly mixed with
rain in the evening, then a chance of snow showers after
midnight. freezing spray after midnight. waves building to 9 to
12 feet occasionally to 15 feet. 
.saturday...northwest gales to 45 knots becoming west 20 to
30 knots in the afternoon. heavy freezing spray in the morning.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves building to 4 to 7 feet
occasionally to 9 feet. 
.sunday...west winds 20 to 30 knots diminishing to 15 to
25 knots. freezing spray. waves subsiding to 2 to 4 feet. 
.monday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 

$$
fzus63 kmqt 010852
glfls 
expires:202212011700;;109139

open lake forecast for lake superior
national weather service marquette mi
352 am est thu dec 1 2022

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...in the wake of a 29.0 inch james bay low, a 30.3 inch
high pressure ridge extending from manitoba to arkansas will 
quickly cross lake superior today. tonight, a 30.5 inch high 
pressure will be over the mid-atlantic states while a 29.5 inch 
low emerges over the western plains. this low will track 
northeast, passing just north of lake superior friday night, then 
deepening to 29.1 inches as it moves to near james bay by saturday
morning. in its wake, a 30.5 inch high building across the 
central and southern plains on saturday will reach the ohio valley
on saturday night. as the high reaches the virginias sunday 
morning, a 29.6 inch low will track east to northern ontario. 
expect the low to lift to hudson bay on monday. 


lsz263-011700-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
352 am est thu dec 1 2022

...storm watch in effect from friday evening through saturday
afternoon...

.early this morning...northwest winds 15 to 25 knots. waves 4 to
8 feet occasionally to 10 feet. 
.today...west winds 10 to 20 knots backing south by late morning,
then increasing to 15 to 25 knots by mid afternoon. flurries in
the morning. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.tonight...south winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots late. waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 
.friday...south winds 15 to 25 knots veering southwest by mid
afternoon. rain and snow showers likely in the afternoon. waves
subsiding to 2 to 4 feet. 
.friday night...west gales to 35 knots becoming northwest storm
force winds to 50 knots after midnight. rain showers in the
evening. snow showers. freezing spray after midnight. waves
building to 12 to 17 feet occasionally to 21 feet. 
.saturday...northwest gales to 45 knots becoming west 20 to
30 knots in the afternoon. freezing spray. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.saturday night...west winds 20 to 30 knots backing southwest
after midnight. waves subsiding to 4 to 8 feet occasionally to
10 feet. 
.sunday...west gales to 35 knots diminishing to 20 to 30 knots.
freezing spray. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.monday...northwest winds 15 to 25 knots veering north. a chance
of snow showers. waves subsiding to 2 to 4 feet. 

$$
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